Home / 14,327.58-19,772.96-8,278.08

Finding the Fourth Proportional to 14,327.58, 19,772.96 and 8,278.08

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Solution

The fourth proportional to 14,327.58, 19,772.96 and 8,278.08 is: 11,424.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,327.58 : 19,772.96 = 8,278.08 : x
  2. Step 2: Convert to fraction form
    14,327.58/19,772.96 = 8,278.08/x
  3. Step 3: Cross multiply
    14,327.58x = 19,772.96 × 8,278.08
  4. Step 4: Simplify right side
    14,327.58x = 163,682,103.33
  5. Step 5: Solve for x
    x = 163,682,103.33/14,327.58
  6. Step 6: Final answer
    x = 11,424.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.